20042010013 has 2 divisors, whose sum is σ = 20042010014. Its totient is φ = 20042010012.

The previous prime is 20042009969. The next prime is 20042010017. The reversal of 20042010013 is 31001024002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17465736964 + 2576273049 = 132158^2 + 50757^2 .

It is a cyclic number.

It is not a de Polignac number, because 20042010013 - 2¹³ = 20042001821 is a prime.

It is a super-2 number, since 2×20042010013² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20042009975 and 20042010002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20042010017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021005006 + 10021005007.

It is an arithmetic number, because the mean of its divisors is an integer number (10021005007).

Almost surely, 2^20042010013 is an apocalyptic number.

It is an amenable number.

20042010013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042010013 is an equidigital number, since it uses as much as digits as its factorization.

20042010013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20042010013 its reverse (31001024002), we get a palindrome (51043034015).

The spelling of 20042010013 in words is "twenty billion, forty-two million, ten thousand, thirteen".